14887Schin /*********************************************************************** 24887Schin * * 34887Schin * This software is part of the ast package * 4*12068SRoger.Faulkner@Oracle.COM * Copyright (c) 1985-2010 AT&T Intellectual Property * 54887Schin * and is licensed under the * 64887Schin * Common Public License, Version 1.0 * 78462SApril.Chin@Sun.COM * by AT&T Intellectual Property * 84887Schin * * 94887Schin * A copy of the License is available at * 104887Schin * http://www.opensource.org/licenses/cpl1.0.txt * 114887Schin * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 124887Schin * * 134887Schin * Information and Software Systems Research * 144887Schin * AT&T Research * 154887Schin * Florham Park NJ * 164887Schin * * 174887Schin * Glenn Fowler <gsf@research.att.com> * 184887Schin * David Korn <dgk@research.att.com> * 194887Schin * Phong Vo <kpv@research.att.com> * 204887Schin * * 214887Schin ***********************************************************************/ 224887Schin #pragma prototyped 234887Schin 244887Schin #undef VMDEBUG 254887Schin #define VMDEBUG 0 264887Schin 274887Schin #include <ast.h> 284887Schin 294887Schin /* 304887Schin * return a copy of s using malloc 314887Schin */ 324887Schin 334887Schin #if defined(__EXPORT__) 344887Schin #define extern __EXPORT__ 354887Schin #endif 364887Schin 374887Schin extern char* strdup(register const char * s)384887Schinstrdup(register const char* s) 394887Schin { 404887Schin register char* t; 414887Schin register int n; 424887Schin 434887Schin return (s && (t = newof(0, char, n = strlen(s) + 1, 0))) ? (char*)memcpy(t, s, n) : (char*)0; 444887Schin } 45